Why do larger elements required larger stars to form and What is the largest element that can form in the core of a star regardless, of the size of the star

Only the bigger stars can produce heavier elements. This is because these stars can pull up their temperatures higher than the smaller stars like our Sun can. The supergiant's core will fuse very heavy elements from carbon and oxygen all the way up to Iron. Elements heavier than iron cannot be used as a source of energy through fusion.

Explanation:

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